Definition of ad deliquium in English:

ad deliquium

adverb

historical
  • With reference to a bloodletting procedure: to the point at which the patient feels faint or faints (from loss of blood).

Origin

Late 17th century; earliest use found in John Fryer (d. 1733), traveller and writer. From post-classical Latin ad deliquium to unconsciousness from classical Latin ad + dēliquium, in post-classical Latin sense ‘fainting’.

Pronunciation:

ad deliquium

/ˌad dɪˈlɪkwɪəm/